<br>Colour: Black<br>Fabric: Cotton, polyester, spandex<br>Power supply: 3 AAA batteries/battery box (not included)<br>Length: about 310-330mm<br>Weight: about 210g<br><br>Package List<br>Socks*1 pair<br>Battery box * 2<br>Bandage*2<br>No manual operation required. When the battery box is on, it will work on and heat up, when the light is off, stop heating.<br>1、Electric warm socks, cotton material, breathable. Water absorbent, quick-drying, elastic thickened, electric modules using ultra-thin, soft. 2、 Electric heated socks for chronically cold feet. Battery powered, safe and reliable. 3、 Cushioned strengthened rear area and toe, and recessed warming component enable concentration to warm in the toe to shield your feet from getting cool. 4、 Built in heating elements extended along forefoot to promote blood circulation. 5、 Suitable for hunting, ice fishing, hiking and sporting events.